261790284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2783

約数の個数: 96

約数和(自身を含む): 747174400

約数和(自身を除く): 485384116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 61, 76, 84, 114, 122, 133, 183, 228, 244, 266, 366, 399, 427, 532, 732, 798, 854, 1159, 1281, 1596, 1708, 2318, 2562, 2689, 3477, 4636, 5124, 5378, 6954, 8067, 8113, 10756, 13908, 16134, 16226, 18823, 24339, 32268, 32452, 37646, 48678, 51091, 56469, 75292, 97356, 102182, 112938, 153273, 164029, 204364, 225876, 306546, 328058, 357637, 492087, 613092, 656116, 715274, 984174, 1072911, 1148203, 1430548, 1968348, 2145822, 2296406, 3116551, 3444609, 4291644, 4592812, 6233102, 6889218, 9349653, 12466204, 13778436, 18699306, 21815857, 37398612, 43631714, 65447571, 87263428, 130895142, 261790284]

約数ペア:

[(1, 261790284), (2, 130895142), (3, 87263428), (4, 65447571), (6, 43631714), (7, 37398612), (12, 21815857), (14, 18699306), (19, 13778436), (21, 12466204), (28, 9349653), (38, 6889218), (42, 6233102), (57, 4592812), (61, 4291644), (76, 3444609), (84, 3116551), (114, 2296406), (122, 2145822), (133, 1968348), (183, 1430548), (228, 1148203), (244, 1072911), (266, 984174), (366, 715274), (399, 656116), (427, 613092), (532, 492087), (732, 357637), (798, 328058), (854, 306546), (1159, 225876), (1281, 204364), (1596, 164029), (1708, 153273), (2318, 112938), (2562, 102182), (2689, 97356), (3477, 75292), (4636, 56469), (5124, 51091), (5378, 48678), (6954, 37646), (8067, 32452), (8113, 32268), (10756, 24339), (13908, 18823), (16134, 16226)]